CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 269

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Sending Explicit Messages
EXPLICIT MESSAGE SEND (28 01)
Command Block
Response Block
Parameters
EXPLICIT MESSAGE SEND will send a DeviceNet Unit-compatible explicit
message to the specified class of another node and receive a response.
The other node is specified with the destination node address in the com-
mand. The actual destination IP address is as follows.
Destination IP address =
Normal Response
Error Responses
The following response is returned if an error occurs for the explicit message.
The following response is returned if the explicit message cannot be sent or
times out.
Destination node address (command):
The node address of the destination of the explicit message.
The node address of the local EtherNet/IP Unit or built-in EtherNet/IP port is
specified in the control data for the CMND(490), but the node address of the
actual destination is specified here in the FINS command. The destination
node address cannot be set to 00 hex or FF hex.
Service code (command, response):
A service code defined for EtherNet/IP. In a normal response, bit 15 of the ser-
vice code specified in the command will be turned ON and returned. In an
error response, 94 Hex will always be returned.
Command
Command
code
Command
Command
28
28
28
28
Destination node address
code
code
code
01
01
01
01
Response
Response
code
00
00
Response
code
Service code
code
00
Destination node address (remote node)
Destination node address (remote node)
00
No. of bytes
received
No. of bytes
Class ID
received
(Local IP address & Subnet mask)
+ Destination node address
Instance ID
Service code
Service code 94 (Hex)
94
Error code
468 bytes max.
498 bytes max.
Service data
Service data
Section 9-1
241